單項選擇題When and where（）your Registry Certificate issued?

A.is
B.are
C.was
D.were


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1.單項選擇題A common class of wire rope used for mooring is the 6x19 class. What does the 6 represent?（）

A.Factor of safety
B.Number of wires per strand
C.Number of strands per wire rope
D.Number of wires in the core

3.單項選擇題A “sheepshank” is used to（）.

A.keep a line from fraying
B.join lines of unequal size
C.stop off a line
D.shorten a line

4.單項選擇題A tonnage tax is levied according to the（）.

A.deadweight cargo tonnage aboard
B.displacement tonnage of vessel
C.gross tonnage of vessel
D.net tonnage of vessel

5.單項選擇題A continuous watertight bulkhead on a ship is normally also a(n)（）.

A.structural bulkhead
B.exterior bulkhead
C.centerline bulkhead
D.joiner bulkhead

6.單項選擇題A “figure eight” knot is used to（）.

A.be a stopper
B.shorten a line
C.join lines of equal size
D.keep a line from passing through a sheave

7.單項選擇題A block and tackle is “rove to advantage”. This means that the（）.

A.blocks have been overhauled
B.hauling parts of two tackles are attached
C.hauling part leads through the movable block
D.hauling part leads through the standing block

8.單項選擇題A crew member reports that the high-pressure alarm light of a low-pressure CO2 fixed fire extinguishing system is illuminated. The most probable cause of this condition would be that（）.

A.an air leak has developed in the tank
B.the tank cooling system has malfunctioned
C.the pilot cylinder discharge valve is leaking
D.an excessive amount of insulation has been installed on the tank and piping

9.單項選擇題A chart with a scale of 1:80，000 would fall into the category of a（）.

A.sailing chart
B.general chart
C.coastal chart
D.harbor chart

10.單項選擇題A “Mediterranean moor” should be used when（）.

A.when anchoring in the Mediterranean
B.when docking stern to a berth
C.when docking bow to a berth
D.when anchoring in a strong current